In addition to the uses listed in Sections 17.52.480 and 17.52.580, the following are conditional uses in an M-1 district, and shall be permitted only if approved by the board of zoning adjustments, pursuant to Section 17.54.130:

    A.    Restaurant, retail store, or shop needed to serve the occupants of existing industrial buildings in the immediate vicinity;

    B.    Contractor’ s or other outdoor storage yard for equipment and supplies, if conducted within an area enclosed by a solid wall or fence;

    C.    Animal hospital, kennel;

    D.    Storage of liquified petroleum gas;

    E.    Recreation facility, within an enclosed building;

    F.    Drive-in theatre;

    G.    Sale at retail of building materials, or of industrial equipment or machinery;

    H.    Concrete or asphalt batching plant;

    I.    Advertising sign, provided that no single sign shall exceed three hundred (300) feet in area, and except as regulated by Section 17.52.550, and no sign shall be flashing or intermittent, contain moving parts, or be located so as to be directed towards lands in any adjacent R district;

    J.    Service station, Type A and Type B;

    K.    Other uses which are found by the board of zoning adjustments as may meet the intent of the district and the requirements of Section 17.44.100 of this chapter. (Ord. 2002-60 (part); Ord. 2000-53 § 1 (part); prior gen. code § 8-51.3)